from math import sqrt


def add(x, y):
    return x + y


def minus(x, y):
    return x - y


def mul(x, y):
    return x * y


def div(x , y):
    return x / y


def power(x, y):
    return x ** y


def quotient(x, y):
    return x // y


def mod(x, y):
    return x % y


if __name__ == "__main__":
    print('5+6=',add(5,6))
    print('11.8-6.2=', minus(11.8, 6.2))
    print('3*2/3=', mul(3, 2/3))
    print('3/0.1=', div(3, 0.1))
    print('2**10=', power(2, 10))
    print('sqrt(64)=', sqrt(64))
    print('11=', quotient(11, 2),'*2+',mod(11, 2))